package model

// ConversationParticipant represents a participant (user) in a conversation.
// Reference: Chatwoot app/models/conversation_participant.rb
// Unique index: (user_id, conversation_id)
// Validates: account_id presence, inbox access via assignable_agents
type ConversationParticipant struct {
	Base
	AccountID      uint   `gorm:"index;not null" json:"account_id"`
	ConversationID uint   `gorm:"index;uniqueIndex:idx_conv_participants_user_conv;not null" json:"conversation_id"`
	UserID         uint   `gorm:"index;uniqueIndex:idx_conv_participants_user_conv;not null" json:"user_id"`
	Role           string `gorm:"size:50;default:participant" json:"role"` // participant, assignee, watcher

	Account      *Account      `gorm:"foreignKey:AccountID" json:"account,omitempty"`
	Conversation *Conversation `gorm:"foreignKey:ConversationID" json:"conversation,omitempty"`
	User         *User         `gorm:"foreignKey:UserID" json:"user,omitempty"`
}

func (ConversationParticipant) TableName() string { return "conversation_participants" }